
name=['alex','wupeiqi','yuanhao','nezha']

l = list (map(lambda x:x+"_sb",name))
print(l)


# name=['alex','wupeiqi','yuanhao','nezha']
#
# def change_name(name):
#     res =[ x+"_sb" for x in name]
#     return res
#
# a =change_name(name)
# print(a )

li = ['alex', 'egon', 'smith', 'pizza', 'alen']


newl= list(map(lambda x:x[0].upper()+x[1:] ,name))
print (newl)


num = 20
def show_num(x=num):
    print(x)

show_num()
num = 30
show_num()